DDR4
From Amazon
Corsair Vengeance RGB RT 32GB (2x16GB) DDR4 4000MHz C18 Desktop Memory (Dynamic RGB Lighting, Optimised for AMD 300/400/500 Series, Compatible with Intel 300/400/500 Series) Black
Scan
Corsair Vengeance RGB RT Gunmetal 32GB 4000MHz DDR4 Memory Kit
Clove Technology
Corsair Vengeance RGB CMN32GX4M2Z4000C18 memory module 32 GB 2 x 16 GB DDR4 4000 MHz